Watch Tower Beacon

The Barbarian and Mob horde are coming you need to warn the castle but you to far away in the watch tower. You know what you need, you need a watch tower. This is a simple instuctable to compliment you awesome world.
The Pillar


First make you stair pillar 3 blocks from the floor plain and simple.
The Cross


Make a cross on the pillar the arms must be 2 blocks long. Then add a block in each corner.
Box


Now make a box over the cross, the sides need to be 3 blocks long.
Coal




Now add your first layer of coal blocks, then add 2 more with one block in the middle of the top.
Your Done



Now just light it when the enemy is sighted. Some shots of it in use.